Together, these telescopes show scientists three aspects of the collision site in detail; Hubble is responsible for the galaxies and stars, Chandra the diffuse emission in blue, and Jansky the diffuse emission in pink.

The ESA says MACS J016 is “playing a leading role in the Hubble Frontier Fields programme” and leading astronomers in the discovery of galaxies that existed “only hundreds of millions of years after the big bang”.